Home / 8,194.38-12,294.45-2,647.95

Finding the Fourth Proportional to 8,194.38, 12,294.45 and 2,647.95

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Solution

The fourth proportional to 8,194.38, 12,294.45 and 2,647.95 is: 3,972.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,194.38 : 12,294.45 = 2,647.95 : x
  2. Step 2: Convert to fraction form
    8,194.38/12,294.45 = 2,647.95/x
  3. Step 3: Cross multiply
    8,194.38x = 12,294.45 × 2,647.95
  4. Step 4: Simplify right side
    8,194.38x = 32,555,088.88
  5. Step 5: Solve for x
    x = 32,555,088.88/8,194.38
  6. Step 6: Final answer
    x = 3,972.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.